Introduce a kill-switch for shipping features.

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
 #include "src/extensions/free-buffer-extension.h"
@@ skipping 1324 matching lines @@
     // Set up the call-as-constructor delegate.
     Handle<Code> code =
         Handle<Code>(isolate->builtins()->builtin(
             Builtins::kHandleApiCallAsConstructor));
     Handle<JSFunction> delegate = factory->NewFunction(
         factory->empty_string(), code, JS_OBJECT_TYPE, JSObject::kHeaderSize);
     native_context()->set_call_as_constructor_delegate(*delegate);
     delegate->shared()->DontAdaptArguments();
   }
 
-#define FEATURE_INITIALIZE_GLOBAL(id, descr) InitializeGlobal_##id();
-
-  HARMONY_SHIPPING(FEATURE_INITIALIZE_GLOBAL)
-#undef FEATURE_INITIALIZE_GLOBAL
-
   // Initialize the embedder data slot.
   Handle<FixedArray> embedder_data = factory->NewFixedArray(3);
   native_context()->set_embedder_data(*embedder_data);
 }
 
 
 void Genesis::InstallTypedArray(
     const char* name,
     ElementsKind elements_kind,
     Handle<JSFunction>* fun,
@@ skipping 14 matching lines @@
   ElementsKind external_kind = GetNextTransitionElementsKind(elements_kind);
   *external_map = Map::AsElementsKind(initial_map, external_kind);
 }
 
 
 void Genesis::InitializeExperimentalGlobal() {
 #define FEATURE_INITIALIZE_GLOBAL(id, descr) InitializeGlobal_##id();
 
   HARMONY_INPROGRESS(FEATURE_INITIALIZE_GLOBAL)
   HARMONY_STAGED(FEATURE_INITIALIZE_GLOBAL)
+  HARMONY_SHIPPING(FEATURE_INITIALIZE_GLOBAL)
 #undef FEATURE_INITIALIZE_GLOBAL
 }
 
 
 bool Genesis::CompileBuiltin(Isolate* isolate, int index) {
   Vector<const char> name = Natives::GetScriptName(index);
   Handle<String> source_code =
       isolate->bootstrapper()->NativesSourceLookup(index);
   return CompileNative(isolate, name, source_code);
 }
@@ skipping 159 matching lines @@
                  observers_begin_perform_splice);
   INSTALL_NATIVE(JSFunction, "EndPerformSplice",
                  observers_end_perform_splice);
   INSTALL_NATIVE(JSFunction, "NativeObjectObserve",
                  native_object_observe);
   INSTALL_NATIVE(JSFunction, "NativeObjectGetNotifier",
                  native_object_get_notifier);
   INSTALL_NATIVE(JSFunction, "NativeObjectNotifierPerformChange",
                  native_object_notifier_perform_change);
   INSTALL_NATIVE(JSFunction, "ArrayValues", array_values_iterator);
-
-#define INSTALL_NATIVE_FUNCTIONS_FOR(id, descr) InstallNativeFunctions_##id();
-  HARMONY_SHIPPING(INSTALL_NATIVE_FUNCTIONS_FOR)
-#undef INSTALL_NATIVE_FUNCTIONS_FOR
 }
 
 
 void Genesis::InstallExperimentalNativeFunctions() {
   if (FLAG_harmony_proxies) {
     INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
     INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
     INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
     INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
   }
 
 #define INSTALL_NATIVE_FUNCTIONS_FOR(id, descr) InstallNativeFunctions_##id();
   HARMONY_INPROGRESS(INSTALL_NATIVE_FUNCTIONS_FOR)
   HARMONY_STAGED(INSTALL_NATIVE_FUNCTIONS_FOR)
+  HARMONY_SHIPPING(INSTALL_NATIVE_FUNCTIONS_FOR)
 #undef INSTALL_NATIVE_FUNCTIONS_FOR
 }
 
 
 #define EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(id) \
   void Genesis::InstallNativeFunctions_##id() {}
 
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_scoping)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_modules)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_strings)
@@ skipping 597 matching lines @@
        i < ExperimentalNatives::GetBuiltinsCount(); i++) {
 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc)                       \
   if (FLAG_##id) {                                                   \
     for (size_t j = 0; id##_natives[j] != NULL; j++) {               \
       if (strcmp(ExperimentalNatives::GetScriptName(i).start(),      \
                  id##_natives[j]) == 0) {                            \
         if (!CompileExperimentalBuiltin(isolate(), i)) return false; \
       }                                                              \
     }                                                                \
   }
-    // Iterate over flags that are not enabled by default.
     HARMONY_INPROGRESS(INSTALL_EXPERIMENTAL_NATIVES);
     HARMONY_STAGED(INSTALL_EXPERIMENTAL_NATIVES);
+    HARMONY_SHIPPING(INSTALL_EXPERIMENTAL_NATIVES);
 #undef INSTALL_EXPERIMENTAL_NATIVES
   }
 
-#define USE_NATIVES_FOR_FEATURE(id, descr) USE(id##_natives);
-  HARMONY_SHIPPING(USE_NATIVES_FOR_FEATURE)
-#undef USE_NATIVES_FOR_FEATURE
-
   InstallExperimentalNativeFunctions();
   return true;
 }
 
 
 static void InstallBuiltinFunctionId(Handle<JSObject> holder,
                                      const char* function_name,
                                      BuiltinFunctionId id) {
   Isolate* isolate = holder->GetIsolate();
   Handle<Object> function_object =
@@ skipping 616 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal